'Maniac' definitions:

Definition of 'maniac'

(from WordNet)
adjective
Wildly disordered; "a maniacal frenzy" [syn: maniacal, maniac(p)]
noun
An insane person [syn: lunatic, madman, maniac]
noun
A person who has an obsession with or excessive enthusiasm for something

Definition of 'Maniac'

From: GCIDE
  • Maniac \Ma"ni*ac\, a. [F. maniaque. See Mania.] Raving with madness; raging with disordered intellect; affected with mania; mad. [1913 Webster]

Definition of 'maniac'

From: GCIDE
  • maniac \ma"ni*ac\, n. A raving lunatic; a madman. [1913 Webster]

Words containing 'Maniac'